129526925 has 12 divisors (see below), whose sum is σ = 175214976. Its totient is φ = 94201200.

The previous prime is 129526921. The next prime is 129526931. The reversal of 129526925 is 529625921.

It is not a de Polignac number, because 129526925 - 2² = 129526921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129526921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235229 + ... + 235778.

It is an arithmetic number, because the mean of its divisors is an integer number (14601248).

Almost surely, 2^129526925 is an apocalyptic number.

It is an amenable number.

129526925 is a deficient number, since it is larger than the sum of its proper divisors (45688051).

129526925 is a wasteful number, since it uses less digits than its factorization.

129526925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471028 (or 471023 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 129526925 is about 11380.9896318378. The cubic root of 129526925 is about 505.9644673450.

The spelling of 129526925 in words is "one hundred twenty-nine million, five hundred twenty-six thousand, nine hundred twenty-five".